Patents by Inventor Yoshihito Okumura
Yoshihito Okumura has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240067579Abstract: Provided is a surface treatment agent capable of imparting superior antifouling property as well as good and durable hydrophilicity to an inorganic substrate. The surface treatment agent is one comprising a pretreatment agent and a hydrophilizing treatment agent and being to be sequentially applied to an inorganic substrate, wherein the pretreatment agent comprises a silane compound having a reactive silyl group and an organic functional group and a polyfunctional monomer, and the polyfunctional monomer has one or more first reactive groups that react with the organic functional group and one or more second reactive groups that react with the hydrophilizing treatment agent.Type: ApplicationFiled: December 13, 2021Publication date: February 29, 2024Applicants: LIXIL Corporation, NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD.Inventors: Yoshihito OKUMURA, Yusuke NAKASHIMA, Kazuki YOSHIOKA, Takahito NAKASE, Yusuke SATO, Yugo TAKEMOTO, Kiyoe MAEJIMA
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Publication number: 20230113284Abstract: Provided is a hydrophilic treatment coating composition which imparts a soil guard property and is superior in durability of soil guard performance. Provided is a hydrophilic treatment coating composition for an inorganic substrate surface-treated with a silane coupling agent (S), comprising a hydrophilic compound (A) and a hydrophilic compound (B), wherein the hydrophilic compound (A) is a compound having at least one of a sulfonic acid group and an alkali metal salt of a sulfonic acid group, and the hydrophilic compound (B) is a compound having a quaternary ammonium cationic group.Type: ApplicationFiled: March 12, 2021Publication date: April 13, 2023Applicants: LIXIL Corporation, NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD.Inventors: Yoshihito OKUMURA, Yusuke NAKASHIMA, Kazuki YOSHIOKA, Takahito NAKASE, Yusuke SATO, Hirotsugu MANO, Yugo TAKEMOTO, Kiyoe MAEJIMA
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Patent number: 10793721Abstract: Provided are (1) a hydrophilic treatment coating composition containing a compound that contains a radical reactive functional group and a sulfonic acid alkali metal salt group, a radical polymerization initiator, and a polar compatibilizer, (2) a hydrophilic treatment coating composition containing a silane coupling agent that contains a radical reactive functional group, a compound that contains a radical reactive functional group and a sulfonic acid alkali metal salt group, a radical polymerization initiator, and a polar compatibilizer, (3) a hydrophilic treatment coating composition containing a compound that contains a functional group that reacts with a reactive functional group of a silane coupling agent in a surface layer, and a sulfonic acid (alkali metal salt) group, and a polar compatibilizer, and (4) a hydrophilic treatment coating composition containing a silane coupling agent that contains a reactive functional group, a compound that contains a functional group that reacts with the reactive funcType: GrantFiled: October 1, 2019Date of Patent: October 6, 2020Assignees: Lixil Corporation, Nippon Paint Automotive Coatings Co., Ltd.Inventors: Yoshihito Okumura, Yusuke Sato, Hiroshi Kakehi, Hirotsugu Mano, Akira Kamitani
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Patent number: 10774221Abstract: Provided are (1) a hydrophilic treatment coating composition containing a compound that contains a radical reactive functional group and a sulfonic acid alkali metal salt group, a radical polymerization initiator, and a polar compatibilizer, (2) a hydrophilic treatment coating composition containing a silane coupling agent that contains a radical reactive functional group, a compound that contains a radical reactive functional group and a sulfonic acid alkali metal salt group, a radical polymerization initiator, and a polar compatibilizer, (3) a hydrophilic treatment coating composition containing a compound that contains a functional group that reacts with a reactive functional group of a silane coupling agent in a surface layer, and a sulfonic acid (alkali metal salt) group, and a polar compatibilizer, and (4) a hydrophilic treatment coating composition containing a silane coupling agent that contains a reactive functional group, a compound that contains a functional group that reacts with the reactive funcType: GrantFiled: October 1, 2019Date of Patent: September 15, 2020Assignees: Lixil Corporation, Nippon Paint Automotive Coatings Co., Ltd.Inventors: Yoshihito Okumura, Yusuke Sato, Hiroshi Kakehi, Hirotsugu Mano, Akira Kamitani
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Patent number: 10563067Abstract: Provided are (1) a hydrophilic treatment coating composition containing a compound that contains a radical reactive functional group and a sulfonic acid alkali metal salt group, a radical polymerization initiator, and a polar compatibilizer, (2) a hydrophilic treatment coating composition containing a silane coupling agent that contains a radical reactive functional group, a compound that contains a radical reactive functional group and a sulfonic acid alkali metal salt group, a radical polymerization initiator, and a polar compatibilizer, (3) a hydrophilic treatment coating composition containing a compound that contains a functional group that reacts with a reactive functional group of a silane coupling agent in a surface layer, and a sulfonic acid (alkali metal salt) group, and a polar compatibilizer, and (4) a hydrophilic treatment coating composition containing a silane coupling agent that contains a reactive functional group, a compound that contains a functional group that reacts with the reactive funcType: GrantFiled: July 16, 2015Date of Patent: February 18, 2020Assignees: Lixil Corporation, Nippon Paint Automotive Coatings Co., Ltd.Inventors: Yoshihito Okumura, Yusuke Sato, Hiroshi Kakehi, Hirotsugu Mano, Akira Kamitani
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Publication number: 20200032070Abstract: Provided are (1) a hydrophilic treatment coating composition containing a compound that contains a radical reactive functional group and a sulfonic acid alkali metal salt group, a radical polymerization initiator, and a polar compatibilizer, (2) a hydrophilic treatment coating composition containing a silane coupling agent that contains a radical reactive functional group, a compound that contains a radical reactive functional group and a sulfonic acid alkali metal salt group, a radical polymerization initiator, and a polar compatibilizer, (3) a hydrophilic treatment coating composition containing a compound that contains a functional group that reacts with a reactive functional group of a silane coupling agent in a surface layer, and a sulfonic acid (alkali metal salt) group, and a polar compatibilizer, and (4) a hydrophilic treatment coating composition containing a silane coupling agent that contains a reactive functional group, a compound that contains a functional group that reacts with the reactive funcType: ApplicationFiled: October 1, 2019Publication date: January 30, 2020Inventors: Yoshihito Okumura, Yusuke Sato, Hiroshi Kakehi, Hirotsugu Mano, Akira Kamitani
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Publication number: 20200032069Abstract: Provided are (1) a hydrophilic treatment coating composition containing a compound that contains a radical reactive functional group and a sulfonic acid alkali metal salt group, a radical polymerization initiator, and a polar compatibilizer, (2) a hydrophilic treatment coating composition containing a silane coupling agent that contains a radical reactive functional group, a compound that contains a radical reactive functional group and a sulfonic acid alkali metal salt group, a radical polymerization initiator, and a polar compatibilizer, (3) a hydrophilic treatment coating composition containing a compound that contains a functional group that reacts with a reactive functional group of a silane coupling agent in a surface layer, and a sulfonic acid (alkali metal salt) group, and a polar compatibilizer, and (4) a hydrophilic treatment coating composition containing a silane coupling agent that contains a reactive functional group, a compound that contains a functional group that reacts with the reactive funcType: ApplicationFiled: October 1, 2019Publication date: January 30, 2020Inventors: Yoshihito Okumura, Yusuke Sato, Hiroshi Kakehi, Hirotsugu Mano, Akira Kamitani
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Publication number: 20170174901Abstract: Provided are (1) a hydrophilic treatment coating composition containing a compound that contains a radical reactive functional group and a sulfonic acid alkali metal salt group, a radical polymerization initiator, and a polar compatibilizer, (2) a hydrophilic treatment coating composition containing a silane coupling agent that contains a radical reactive functional group, a compound that contains a radical reactive functional group and a sulfonic acid alkali metal salt group, a radical polymerization initiator, and a polar compatibilizer, (3) a hydrophilic treatment coating composition containing a compound that contains a functional group that reacts with a reactive functional group of a silane coupling agent in a surface layer, and a sulfonic acid (alkali metal salt) group, and a polar compatibilizer, and (4) a hydrophilic treatment coating composition containing a silane coupling agent that contains a reactive functional group, a compound that contains a functional group that reacts with the reactive funcType: ApplicationFiled: July 16, 2015Publication date: June 22, 2017Inventors: Yoshihito Okumura, Yusuke Sato, Hiroshi Kakehi, Hirotsugu Mano, Akira Kamitani